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updating qiskit noise imports to latest versions #355

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Jul 5, 2024
Merged

updating qiskit noise imports to latest versions #355

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7 changes: 6 additions & 1 deletion src/tequila/simulators/simulator_api.py
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Original file line number Diff line number Diff line change
Expand Up @@ -36,9 +36,12 @@
HAS_QISKIT = True
INSTALLED_SIMULATORS["qiskit"] = BackendTypes(BackendCircuitQiskit, BackendExpectationValueQiskit)
INSTALLED_SAMPLERS["qiskit"] = BackendTypes(BackendCircuitQiskit, BackendExpectationValueQiskit)
INSTALLED_NOISE_SAMPLERS["qiskit"] = BackendTypes(BackendCircuitQiskit, BackendExpectationValueQiskit)
from tequila.simulators.simulator_qiskit import HAS_NOISE as HAS_QISKIT_NOISE
if HAS_QISKIT_NOISE:
INSTALLED_NOISE_SAMPLERS["qiskit"] = BackendTypes(BackendCircuitQiskit, BackendExpectationValueQiskit)
except ImportError:
HAS_QISKIT = False
HAS_QISKIT_NOISE = False

HAS_QIBO = True
try:
Expand Down Expand Up @@ -133,6 +136,8 @@ def show_available_simulators():
str(k in INSTALLED_SAMPLERS),
str(k in INSTALLED_NOISE_SAMPLERS),
str(k in INSTALLED_BACKENDS)))
if HAS_QISKIT and not HAS_QISKIT_NOISE:
print("missing qiskit_aer: no noisy simulation")


def pick_backend(backend: str = None, samples: int = None, noise: NoiseModel = None, device=None,
Expand Down
16 changes: 12 additions & 4 deletions src/tequila/simulators/simulator_qiskit.py
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Original file line number Diff line number Diff line change
Expand Up @@ -3,12 +3,20 @@
from tequila import TequilaException, TequilaWarning
from tequila import BitString, BitNumbering, BitStringLSB
from tequila.utils.keymap import KeyMapRegisterToSubregister
import qiskit, numpy, warnings
import qiskit.providers.aer.noise as qiskitnoise
from tequila.utils import to_float
import qiskit.test.mock.backends
from qiskit.providers.ibmq import IBMQBackend
import qiskit, numpy, warnings

HAS_NOISE=True
try:
from qiskit_aer import noise as qiskitnoise
except:
HAS_NOISE = False

HAS_IBMQ=True
try:
from qiskit.providers.ibmq import IBMQBackend
except:
HAS_IBMQ=False

def get_bit_flip(p):
"""
Expand Down
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